Assorted links by Tyler Cowen July 31, 2009 at 10:41 am in Web/Tech 1. Motley Fool podcast, by me. 2. Sean Wilentz on Lincoln. 3. Chess players play the "beauty contest" game. 4. The Robot Gamelan Orchestra. 5. Markets in everything, a new use for pigeon blood, the link is safe for work but not for everybody. 6. Which public health interventions work?